[OSGeo Africa] Request for assistance with OPENGIS Studies

Gavin gavinjfleming at gmail.com
Tue Nov 8 15:56:57 EST 2011

Hi Willem

> I am seeking assistance from any OpenGIS developer who is willing to
> help me with GIS studies on WMS.  Specific topics are:
>      1. GML Coding

Do you need to 'hand-roll' GML or simply generate it by, for example,
exporting a shapefile from QGIS or PostGIS as GML? Or consume or
generate GML through a web service? Please provide more detail.

>      1. GML Application Schema

Do you need to apply an existing application schema or are you
developing one? Again, more detail please. 

>      1. Web Feature Service

What about WFS do you need to know? Most web map servers support WFS.
What is it you need to do with it?

>      1. Sample SLD element

Here's a whole SLD document that renders empty polygons with red borders
and switches them off when you're zoomed in closer than 1:50000. The SLD
specification itself from the OGC website is a good resource. Some nice
tools to generate SLD include uDIG, Atlas Styler, OpenGeo Styler, QGIS
SLD plugin and an ArcGIS SLD extension.

<?xml version="1.0" encoding="UTF-8"?>
<sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld"
xmlns:gml="http://www.opengis.net/gml" version="1.0.0">
            <sld:Name>Default Styler</sld:Name>





> It should be simple tasks for an OpenGIS developer, but I’m really
> stuck!  Any assistance would be greatly appreciated!
> Many thanks,
> Willem Richter
> _______________________________________________
> Africa mailing list
> Africa at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/africa

Gavin Fleming
t: 0218620670
c: 0845965680
f: 0866164820
South Africa
18°59'18.8"E 33°44'40.2"S
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